The Breitling Navitimer B01 Chronograph 41 AB0139211B1P1 is a self-winding mechanical watch featuring the Breitling 01 (Manufacture) caliber. It offers a power reserve of approximately 70 hours and includes a chronograph function measuring 1/4th second, 30 minutes, and 12 hours. The stainless steel case measures 41 mm in diameter and 13.6 mm in thickness, with a bidirectional slide rule bezel and a cambered sapphire crystal glareproofed on both sides. The black dial is complemented by silver-toned subdials and a date aperture. The watch is water-resistant up to 3 bars (30 meters) and comes with a black alligator leather strap secured by a stainless steel folding clasp. Reference number: AB0139211B1P1.